EP2708248B1 - Manuelle Muttermilchpumpe - Google Patents

Manuelle Muttermilchpumpe Download PDF

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Publication number
EP2708248B1
EP2708248B1 EP13004393.8A EP13004393A EP2708248B1 EP 2708248 B1 EP2708248 B1 EP 2708248B1 EP 13004393 A EP13004393 A EP 13004393A EP 2708248 B1 EP2708248 B1 EP 2708248B1
Authority
EP
European Patent Office
Prior art keywords
lever
cover
breast milk
shaped
spherical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13004393.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2708248A1 (de
Inventor
Reinhold Jäger-Waldau
Siska Behrens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mapa Spontex Deutschland GmbH
Original Assignee
Mapa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mapa GmbH filed Critical Mapa GmbH
Publication of EP2708248A1 publication Critical patent/EP2708248A1/de
Application granted granted Critical
Publication of EP2708248B1 publication Critical patent/EP2708248B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06—Milking pumps
    • A61M1/062—Pump accessories
    • A61M1/064—Suction cups
    • A61M1/066—Inserts therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06—Milking pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/06—Milking pumps
    • A61M1/062—Pump accessories
    • A61M1/064—Suction cups
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/80—Suction pumps
    • A61M1/81—Piston pumps, e.g. syringes
    • A61M1/815—Piston pumps, e.g. syringes the barrel serving as aspiration container, e.g. in a breast pump
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/80—Suction pumps
    • A61M1/82—Membrane pumps, e.g. bulbs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/07—General characteristics of the apparatus having air pumping means
    • A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/07—General characteristics of the apparatus having air pumping means
    • A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
    • A61M2205/073—Syringe, piston type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/07—General characteristics of the apparatus having air pumping means
    • A61M2205/071—General characteristics of the apparatus having air pumping means hand operated
    • A61M2205/075—Bulb type

Definitions

  • the invention relates to a manual breast milk pump.
  • Breastmilk pumps serve to pump out breast milk. For this they have at least one suction cup, which is placed on the mother's breast. A vacuum is applied to the suction cup to withdraw the milk from the breast. The suction cup is connected to a milk collecting container, which receives the extracted milk. The negative pressure is repeatedly applied to the suction cup and degraded to stimulate the flow of milk. The negative pressure is generated by means of a pump which is manually driven by a manual breastmilk pump. In an electric breastmilk pump, the pump is driven by an electric motor.
  • a manual breast milk pump has become known in which a cup-shaped membrane element made of elastomeric material is provided, which has at the upper edge first means for releasable and sealing connection, which are releasably and sealingly connected to an upper edge of a displacement chamber.
  • a coupling element is connected to the bottom of the membrane element and the upper end is connected to a first lever arm of a lever for actuating the pump.
  • a manual breast milk pump which also has a cup-shaped membrane which is actuated by a coupling rod.
  • an insertion slot is provided which extends from the outside to the inside of a lever arm and extends from the free end of the lever arm to a distance from the means for pivotally supporting the lever arm, wherein the coupling rod passes through the insertion slot and the head of the Supporting coupling element above the insertion slot on the outside of the cover.
  • the coupling rod has a cylindrical bearing element which is mounted in the cover and which is connected to an upstanding handle. As a result, a part over the cover over.
  • the storage of the coupling rod requires a targeted insertion into the bearing recess, wherein a rotation of the coupling element with the associated membrane causes considerable friction.
  • the present invention seeks to provide a manual breast milk pump, which can be disassembled and assembled in particular for the purpose of cleaning with reduced effort.
  • the step dampens the impact of the lever upon reaching the rest position.
  • the coupling rod at the lower end has two discs with a circumferential annular gap therebetween and the cup-shaped membrane element is held at the edge of a hole in its bottom between the discs.
  • This embodiment favors a simple separation of the coupling element from the membrane element and connecting the coupling element with the membrane element, for example for purposes of cleaning and replacement.
  • the membrane element is permanently connected to the coupling element.
  • the invention includes possible embodiments in which the coupling element is integrally connected to the membrane element.
  • the invention includes possible embodiments in which the coupling element consists of the same material as the membrane element.
  • the head of the coupling element is laterally supported at least at the sides directed towards the free end of the second lever arm with a projection on the outside of the cover. As a result, the head is prevented from accidentally slipping out of the insertion slot.
  • the coupling element is preferably supported by abutment of the coupling rod at the inner end of the insertion slot. Supporting coupling element above the insertion slot on the outside of the cover.
  • the cover of such a manual breast milk pump is spherical segment-shaped and the insertion slot extends to the apex of the spherical segment-shaped cover.
  • the head has the shape of a ball cap and the connection of the head with the coupling rod is stiffened by stiffening ribs which project radially from the coupling rod and are connected to the underside of the head.
  • a spherical shell-shaped depression is provided on the outer side of the cover, against which the stiffening ribs of the spherical cap-shaped head abut, furthermore the outside of the cover has a recess concentric with the recess, which substantially receives the spherical cap-shaped head of the coupling element.
  • the cover has on the side facing away from the insertion slot a trough next to the recess for inserting a fingertip under the head of the coupling element.
  • the coupling element is inserted with the coupling rod in the insertion slot and is supported with the head on the outside of the cover.
  • This allows a particularly simple release of the coupling element of the lever by pivoting the coupling rod through the insertion slot and over the free end of the second lever arm away.
  • the connection between the membrane element and the displacement chamber need not be solved, because the elasticity of the membrane element allows pivoting of the coupling element.
  • the coupling element with the coupling rod is easily inserted from the free end of the second lever arm in the insertion slot.
  • the membrane element via the first means for releasable and sealing connection at its upper edge with the upper edge of the displacement chamber releasably and sealingly connected.
  • this connection between the membrane element and the displacement chamber is easily solvable. After releasing the connection, the membrane element can be removed from the displacement chamber. It is advantageous that the lever can be pivoted away from the insertion slot with the cover of the displacement chamber after swinging out of the coupling element, so that the displacement chamber is well accessible for the removal of the membrane element with the associated coupling element from the outside. Conversely, the membrane element with the coupling element connected thereto can be inserted into the displacement chamber in a detachable and sealingly connectable manner to the upper edge of the displacement chamber at its upper edge, when the lever with the cover has been pivoted away from the displacement chamber.
  • the breastmilk pump is thus for cleaning purposes or for purposes of replacing the membrane element easily separable into individual parts.
  • the parts of the breastmilk pump can then be subjected to a particularly thorough cleaning.
  • the breastmilk pump Due to the membrane element, the breastmilk pump has the advantage that it allows pumps to be used with relatively little force. When bulging the membrane element is stretched elastically. As a result, the membrane element automatically returns after relieving the lever in its original form, thereby pivoting the lever in the rest position.
  • the housing part containing the displacement chamber is spherical segment-shaped and the cover likewise has a spherical section, and the spherical segment-shaped housing part and the spherical segment-shaped cover essentially have the shape of a hollow sphere when the lever is at rest.
  • the spherical shape has a pleasant feel.
  • the free space between the cover and the displacement chamber is particularly large when the first lever arm is pivoted to the housing, whereby a removal and insertion of the membrane element is facilitated.
  • the head of the coupling element is inserted into a recess on the outside of the cover.
  • the edge of the recess forms the projection which supports the head in the direction of the free end of the second lever arm.
  • the head has the outside of the shape of a ball cap and has, together with the spherical segment-shaped cover and the spherical segment-shaped housing part in the resting state of the lever substantially in the shape of a ball.
  • the head complements the ball formed by the housing part and the cover.
  • a trough is provided into which a fingertip is used to lift the head out of the recess. This facilitates the disassembly of the breastmilk pump.
  • the breast milk pump has an outlet valve which is held in a sealing manner at the outlet opening by means of a second means for detachable and sealing connection and closes when the difference between the pressure in the milk collection container and in the connection channel has a certain minimum value and opens when the minimum value has been undershot.
  • the outlet valve further reduces the force required for pumping because no vacuum is generated in the milk collector.
  • the suction cup is integrally connected to the housing, so that the suction cup and housing form a stable unit. For cleaning purposes, it is not necessary to separate the suction cup from the housing.
  • the suction cup is curved outwards between its large opening and its small opening. This contouring of the suction cup is advantageous for the adaptation to the breast.
  • a funnel-shaped insert made of soft elastic material is inserted into the suction cup, which at its large funnel opening via third means for releasable and sealing connection with the edge of the large Opening of the suction cup is connected.
  • the insert made of soft elastic material adapts to the shape of the breast and cushions the suction bell. Between the suction cup and insert forms an air cushion when the suction cup is curved between its large and small opening to the outside, so that the insert rests particularly soft on the chest.
  • the funnel-shaped insert has its small funnel opening in a neck, which rests with its outer periphery sealingly on the inner circumference of the inlet opening.
  • the connecting channel has the inlet opening at an obliquely upwardly inclined upper channel section and the outlet opening at a vertically downward directed lower channel section.
  • This embodiment of the connecting channel is advantageous for the application of the breast milk pump in a sitting position.
  • the suction cup can be tilted slightly upwards to the breast, the milk drains through the upper channel section and collects in the lower channel section above the outlet valve, through which it drains into the milk collection container.
  • the upper channel section is formed in an upper pipe socket and the lower channel section is formed in a lower pipe socket of the housing.
  • the center axis of the cup-shaped displacement chamber is aligned at an acute angle to the vertical on the side facing away from the suction cup. Further preferably, the central axis of the cup-shaped displacement chamber is perpendicular to the longitudinal axis of the upper Channel section. This is advantageous for a space-saving arrangement of the displacement chamber and a large displacement volume of the membrane.
  • This embodiment is advantageous for a secure fixation of the membrane element to the displacement chamber, which does not detach when the membrane element bulges upwards. Nevertheless, the detachable connection for disassembling the breast milk pump is easily selectively resolvable by the Umschlagfalte raised at one point and the upper edge of the membrane element is withdrawn from the shoulder of the displacement chamber. Conversely, the membrane element is easily mountable to the displacement chamber by attaching the cover fold to the shoulder and pressing on the shoulder until the hook profiles engage one another.
  • the membrane element has a peripheral lip projecting upwards from its upper edge, on which the cover rests in the rest position of the lever.
  • the lip dampens the impact of the lever when reaching the rest position. It also seals the cover at rest at the bottom and prevents the deposition of impurities on the top of the membrane element.
  • the lip holds the cover in a predetermined orientation and thus protects the means for supporting the lever, for example when the pump falls over.
  • the step dampens the impact of the lever upon reaching the rest position.
  • a housing part containing the displacement chamber is spherical segment-shaped and the cover is likewise spherical segment-shaped and the spherical segment-shaped housing part and the spherical segment-shaped cover essentially have the shape of a hollow sphere when the lever is at rest.
  • the spherical shape has a pleasant feel.
  • the free space between the cover and the displacement chamber is particularly large when the first lever arm is pivoted to the housing, whereby a removal and insertion of the membrane element is facilitated.
  • the coupling rod at the lower end has two discs with a circumferential annular gap therebetween and the cup-shaped membrane element is held at the edge of a hole in its bottom between the discs.
  • This embodiment favors a simple separation of the coupling element from the membrane element and connecting the coupling element with the membrane element, for example for purposes of cleaning and replacement.
  • the membrane element is permanently connected to the coupling element.
  • the invention includes possible embodiments in which the coupling element is integrally connected to the membrane element.
  • the invention includes possible embodiments in which the coupling element consists of the same material as the membrane element.
  • the head of the coupling element is supported laterally at least at the sides directed towards the free end of the second lever arm with a projection on the outside of the cover.
  • the outlet valve is a duckbill valve.
  • the duckbill valve is simple, reliable and easy to clean.
  • the drain valve is preferably held at the lower end of a lower pipe socket having the outlet opening.
  • the outlet valve is preferably held by a clamping connection on the lower pipe socket. If the outlet valve is a duckbill valve, it preferably has a cup-shaped holder, with a slight elastic deformation pushed onto the lower pipe socket or inserted into this.
  • the cup-shaped membrane element and / or the soft-elastic insert and / or the duckbill valve consists of a Silicone elastomer.
  • the lever and the housing as well as the suction bell are made according to a preferred embodiment of a substantially rigid plastic.
  • top and bottom refer to an arrangement in which the breastmilk pump with a footprint of the milk collection container, which is located at the end remote from the opening edge of the milk collection container, on a horizontal surface.
  • the breast milk pump 1 has a housing 2, which has a cup-shaped displacement chamber 3.
  • the displacement chamber 3 has on the outside and in the lower part 4 inside a substantially spherical segmental shape. In the example, it is the shape of a hemisphere.
  • the displacement chamber 3 is cylindrical inside.
  • the displacement chamber 3 has a protruding circumferential shoulder 6, which has a circumferential hook profile 7 outside.
  • the housing 2 has a connection channel 8.
  • the connecting channel 8 has an upper channel portion 9, which is arranged in an acute angle upwardly inclined upper pipe socket 10.
  • Below the connecting channel 8 has a lower channel portion 11 which is arranged in a vertical lower pipe socket 12. The upper pipe socket 10 and the lower pipe socket 12 are connected together.
  • the displacement chamber 3 is aligned with its central axis perpendicular to the longitudinal axis of the upper pipe socket 10. With its chamber bottom 13 and its lower part 4, in which it is spherical inside and outside, it engages in the upper region of the upper pipe socket 10.
  • the displacement chamber 3 From the chamber bottom 13 of the displacement chamber 3 is down a bulkhead 14 in the lower pipe socket 12 into it and divides the lower pipe socket 12 in the upper region in the middle into two separate chambers.
  • the displacement chamber 3 has a through hole 15 to the lower pipe socket 12th
  • the upper pipe socket 10 has an inlet opening 16 of the connecting channel 8 at the top and the lower pipe socket 12 has an outlet opening 17 of the connecting channel 8 at the bottom.
  • the upper pipe socket 10 is integrally connected to the inlet opening 16 with a small opening of a suction cup 18.
  • the suction cup 18 is bulged outwardly between its large opening 19 and its small opening to the outside.
  • the housing 2 has below the displacement chamber 3, a circumferential jacket 20 which gradually widens downwards.
  • the jacket 20 on the side of the upper pipe socket 10 is at the same time the jacket of the lower pipe socket 12, i. In this area, the walls of the shell 20 and the lower pipe socket 12 coincide.
  • the jacket 20 is separated from the lower pipe socket 12. This area begins approximately at the diametrically opposite points at which the bulkhead 14 is connected on both sides with the lower pipe socket 12.
  • the jacket 20 extends circumferentially to a hood 21.
  • a lower part of the lower pipe socket 12 projects into the hood 21.
  • the housing 2 On the side of the displacement chamber 4, which is arranged diametrically opposite the upper pipe socket 10, the housing 2 has a rib-shaped support 24 with a horizontal bearing axis 25 at the upper end, which is aligned perpendicular to the longitudinal axis of the upper pipe socket 10 and the suction cup 18.
  • the protruding elements of the housing 2 and the suction cup 18 are connected to a unitary pump shell 26 fixed together.
  • the housing 2 is made with the suction cup 18 made of a hard plastic, in particular by injection molding.
  • the parts of the pump top 26 can be prefabricated separately and then firmly connected together, for example by welding.
  • the breastmilk pump 1 comprises a cup-shaped membrane element 27 made of an elastomeric material.
  • the membrane element 27 has a bottom 28 with a central hole 29. Starting from the edge of the bottom 28, the membrane element 27 has a hollow-sphere-section-shaped membrane section 30 and a hollow-cylindrical membrane section 31 adjoining it.
  • the outer shape of the membrane element 27 is in the inner form of the displacement chamber 4 customized.
  • the membrane element 27 has on the outside an envelope fold 32.
  • the membrane element 27 has a circumferential hook profile 33, which is shaped to be complementary to the hook profile 7 and is hooked thereto.
  • the membrane element 27 has a protruding, circumferential upper lip 33. Furthermore, the membrane element 27 has a circumferential step 34 at the upper edge 31 outside the lip 33.
  • the membrane element 27 Adjacent to the hole 29, the membrane element 27 has a circumferential, upstanding lower lip 35th
  • the membrane element 27 is made in one piece from a silicone elastomer.
  • the breastmilk pump 1 comprises a coupling element 36.
  • the coupling element 36 has a coupling rod 37, which at the bottom has a connecting element 38 for connection to the membrane element 27.
  • the connecting element 38 comprises a hollow cylindrical portion 39, which is connected via a conical portion 40 with the coupling rod 37. From the circumference of the hollow cylindrical portion 39 are two spaced apart disks 41, 42 before. The bottom 28 of the membrane element 27 is held at the edge of the hole 29 in the distance region between the discs 41, 42, so that the lower lip 35 rests against the jacket of the hollow cylindrical portion 39 and the discs 41, 42.
  • the coupling element 36 comprises a head 43, which is connected to the upper end of the coupling rod 37.
  • the head 43 has the shape of a ball cap.
  • the connection of the head 43 with the coupling rod 37 is stiffened by a plurality of stiffening ribs 44 which project radially from the coupling rod 37 and are connected to the underside of the head 43. At the bottom of the stiffening ribs 44 have a matching radius, so that they are pivotable in a spherical shell.
  • the coupling element 36 is made in one piece from a hard plastic, preferably by injection molding.
  • the breastmilk pump 1 comprises a lever 45 with parallel bearing eyes 46, 47 between a first lever arm 48 and a second lever arm 49.
  • the bearing eyes 46, 47 are loop-shaped and clamped onto the bearing axis 25 of the housing 2.
  • the first lever arm 48 is designed as a handle with an outwardly curved lower end which is intended to prevent a hand from slipping off.
  • the second lever arm 49 is widened at a short distance from the bearing eyes 46, 47 to a cover 50. In the region of the cover 50, the lever is spherical segment-shaped and curved in the other areas outside. Further, the lever 45 at the two edges of one side projecting side walls 51, 52 which merge into the edges of the cover 50 above. Overall, the transition from the cover 50 to the remaining parts of the lever 45 is smooth on the outside.
  • the lever 45 has an insertion slot 53 which extends from the free end of the second lever arm 49.
  • the insertion slot 53 extends to the apex or pole of the spherical section-shaped cover 50.
  • a spherical shell-shaped recess 54 is present in the outer side of the cover 50, against which the stiffening ribs 44 abut with their underside.
  • the outer side of the cover has a recess 55 which is concentric with respect to the aforementioned recess and which essentially receives the head 43 of the coupling element 36.
  • the cover 50 has on the side facing away from the insertion slot 53 a trough 56 which is arranged in part next to the latter recess 55 and partially engages in this recess 55 so that a finger tip inserted into the trough 56, the head 43 of the coupling element 36 in of the recess 55 can engage.
  • the lever 45 is clamped with the bearing eyes 46, 47 on the bearing axis 25.
  • the coupling element 36 holds the lever 45 in the rest position of Fig. 1 and 2 in which the cover 50 rests with the lower edge on the step 34 of the membrane element 27 and rests against the upper lip 33.
  • the lever 45 is made of a hard plastic. Preferably, it is injection molded from the plastic.
  • the breast milk pump 1 comprises an outlet valve 58, which is designed as a duckbill valve.
  • the duckbill valve is a tube piece having two flat side walls 59, 60 which are inclined towards each other and contact each other down along a sealing line 61.
  • the duckbill valve is made of an elastomer, preferably a silicone elastomer.
  • the outlet valve 58 protrudes from the underside of the bottom 62 of a cup-shaped holder 63, wherein the bottom 62 in the region of the outlet valve 58 has a hole 64.
  • the outlet valve 58 is made in one piece with the holder 63.
  • the holder and duckbill valve are made of the same elastomer, in particular a silicone elastomer.
  • the outlet valve 58 is clamped with a cylindrical shell portion 65 of the holder 63 sealingly on the lower end of the lower pipe socket 12.
  • the breastmilk pump 1 comprises a funnel-shaped insert 66 made of an elastomeric material.
  • the insert 66 has at its large opening 67 an outwardly folded fold 68. With this fold 68 of the insert 66 is clamped on the edge of the large opening 19 of the suction cup 18.
  • the insert 66 has its small opening 69 in a neck 70 which rests sealingly on the outer circumference of the upper pipe socket 10.
  • the insert 66 is preferably made in one piece from an elastomeric material, in particular from a silicone elastomer.
  • the breastmilk pump 1 comprises a milk collecting container 71.
  • the milk collecting container 71 has a bottle shape. Below, it has a base 72 and at the top a neck 73 with an external thread 74.
  • the housing 2 is screwed onto the external thread 74 with the internal thread 23.
  • the milk collection container 71 can also be used as a feeding bottle after filling with milk.
  • the milk collecting container 71 is preferably made of a rigid plastic. Preferably, it is injection molded in one piece from the plastic.
  • the breast milk pump 1 For the pumping of milk, the breast milk pump 1 is placed with the suction cup 18 on a breast, so that it rests against the outside of the insert 66. Then, the lever 45 is cyclically operated, in which the first lever arm 48 is pressed in the direction of the housing 7 and the milk collection container 71 and then relieved.
  • the membrane element 27 By operating the lever 45, the membrane element 27 is deflected upward, as in the Fig. 4 . 5 . 6 shown. As a result, a negative pressure is generated in the displacement chamber 3 and in the suction cup 18. After relieving the lever 45, the membrane element 27 assumes its initial shape and pulls the lever 45 in the rest position of Fig. 1 . 2 . 3 back. Here, the negative pressure in the displacement chamber 3 and in the suction cup 18 is reduced again.
  • the milk flow is stimulated.
  • the milk passes through the insert 66 and the connecting channel 8 into the duckbill valve 58.
  • the duckbill valve 58 closes and holds the milk firmly.
  • the vacuum is released, the duckbill valve 58 opens and discharges the milk into the milk sump 71.
  • the housing 2 After pumping out the milk, the housing 2 is unscrewed from the milk collecting container 71 and the milk collecting container 71 is closed for the purpose of storing the milk or provided with a drinking teat to administer the milk.
  • the housing 2 is unscrewed from the milk collection container 71. Further, the coupling member 36 is released from the lever 45 by the head 43 is pivoted with the fingertip out of the insertion slot 53, as in Fig. 7 . 8th shown. Subsequently, the membrane element 27 can be released by pressing off the shoulder 6 from the housing 2.
  • the duckbill valve 58 is separable from the housing 2 by being pressed from the lower pipe socket 12.
  • the insert 66 is detachable by pressing the upper edge of the suction cup 18.
  • the lever 45 can be separated by pressing the bearing eyes 46, 47 from the bearing axis 25 of the housing 2.
  • the milk collection container 71 is detachable by unscrewing from the housing 2.
  • the above items can be cleaned individually and sterilized if necessary. After that they are easy to assemble in reverse order.

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pediatric Medicine (AREA)
  • External Artificial Organs (AREA)
EP13004393.8A 2012-09-14 2013-09-10 Manuelle Muttermilchpumpe Active EP2708248B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012008803U DE202012008803U1 (de) 2012-09-14 2012-09-14 Manuelle Muttermilchpumpe

Publications (2)

Publication Number Publication Date
EP2708248A1 EP2708248A1 (de) 2014-03-19
EP2708248B1 true EP2708248B1 (de) 2016-11-16

Family

ID=49170530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004393.8A Active EP2708248B1 (de) 2012-09-14 2013-09-10 Manuelle Muttermilchpumpe

Country Status (5)

Country Link
US (1) US9044534B2 (zh)
EP (1) EP2708248B1 (zh)
CN (1) CN103656769B (zh)
DE (1) DE202012008803U1 (zh)
ES (1) ES2615820T3 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD766420S1 (en) * 2012-09-06 2016-09-13 Mapa Gmbh Breast pump
EP2946798B1 (en) * 2013-01-17 2019-01-02 Pigeon Corporation Manual breastpump
DE202013007660U1 (de) 2013-08-29 2014-12-01 Mapa Gmbh Brustaufsatz an einer Muttermilchpumpe
ITMI20131960A1 (it) * 2013-11-25 2015-05-26 Artsana Spa Tiralatte manuale
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CN103656769B (zh) 2018-03-09
US9044534B2 (en) 2015-06-02
US20140088495A1 (en) 2014-03-27
DE202012008803U1 (de) 2013-12-16
EP2708248A1 (de) 2014-03-19
CN103656769A (zh) 2014-03-26
ES2615820T3 (es) 2017-06-08

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